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### Question: When to seek urgent medical care when I have Klinefelter%27s syndrome ?
### Response: Call for an appointment with your health care provider if a boy does not develop secondary sexual characteristics at puberty.
A genetics counselor can provide information about this condition, and help explain abnormal chromosome findings and possible complications. The counselor will also be familiar with local and national support groups.
An endocrinologist and infertility specialist may also be helpful.